The current research results show that the main vibration of the valve core vacuum pump is caused by the unbalanced inertial force generated by the pump valve body motion system. At present, there are several methods to solve the unbalanced inertial force.
1. Use dynamic balancing. Generally, the analysis and calculation are carried out first, then the hairspring cycloid is added, and then the weight and hairspring cycloid are added on the pulley, so that the inertia force of eccentric wheel and reel can be reduced evenly. The practice of screw vacuum pump proves that this is an effective damping method.
2. Mechanical damping devices can also be installed and installed. Of course, the device is mainly used for high speed pumps and pumps with large suction speed, such as installing anti vibration rubber on the pump base.
3. Pump structure adjustment, actual type can be used for design type, bedroom and other types of pumps. In practical application, the horizontal structure has the characteristics of compact and low center of gravity, which is conducive to reducing vibration and noise.
4. The combination structure of various cylinders shall be used. Of course, the number of cylinders shall be reasonable, and the configuration shall consider the actual use.
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